1965 Austin A 40 vs. 1971 Citroen GS
To start off, 1971 Citroen GS is newer by 6 year(s). Which means there will be less support and parts availability for 1965 Austin A 40. In addition, the cost of maintenance, including insurance, on 1965 Austin A 40 would be higher. At 1,098 cc (4 cylinders), 1965 Austin A 40 is equipped with a bigger engine. In terms of performance, 1971 Citroen GS (55 HP @ 6500 RPM) has 8 more horse power than 1965 Austin A 40. (47 HP @ 5100 RPM) In normal driving conditions, 1971 Citroen GS should accelerate faster than 1965 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen GS weights approximately 130 kg more than 1965 Austin A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1965 Austin A 40 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1965 Austin A 40. However, in wet, icy, snow, or gravel driving conditions, 1971 Citroen GS, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1965 Austin A 40 (81 Nm @ 2500 RPM) has 9 more torque (in Nm) than 1971 Citroen GS. (72 Nm @ 3500 RPM). This means 1965 Austin A 40 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen GS.
Compare all specifications:
| 1965 Austin A 40 | 1971 Citroen GS | |
| Make | Austin | Citroen |
| Model | A 40 | GS |
| Year Released | 1965 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1015 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 47 HP | 55 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 81 Nm | 72 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 64.6 mm | 74 mm |
| Engine Stroke Size | 83.7 mm | 59 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 760 kg | 890 kg |
| Vehicle Length | 3690 mm | 4130 mm |
| Vehicle Width | 1520 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1360 mm |
| Wheelbase Size | 2220 mm | 2560 mm |
| Fuel Tank Capacity | 29 L | 43 L |
